Liquid-cooler



P. J. SLAVIN. LIQUID GOOLER.

(No Model.)

No. 448,552; Patented Mar. 1'7, 1891.

GHQ b14013 111: News versus 120., r

UNITED STATES PATENT OFFICE.

PATRICK J. SLAVIN, OF IVATERBURY, CONNECTICUT.

LIQUID-COOLER.

SPECIFICATION formingpart of Letters Patent No. 448,552, dated March 17, 1891.

Application filed October 31 1890. Serial No. 369,900. (No model.)

T0 at whom, it may concern.-

Be it known that I, PATRICK J. SLAvIN, a citizen of the United States, residing at \Vaterbnry, in the county of New Haven and State of Connecticut, have invented certain new and useful Improvements in Liquid-Coolers; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.

My invention relates to an improvement in liquid coolers intended to cool liquids on draft, as beer, porter, ale, &c.

The object of the improvement is to supply a cooler that will occupy a comparatively small space and yet expose a large coolingsurface to the liquid to be cooled and to economize in the consumption of ice and yet cool the liquid to a greater extent than has been done heretofore.

In the accompanying drawings, forming part of this specification and in which like letters of reference indicate like parts in all the figures, Figure 1 is a plan view of the cooler; Fig. 2, a side elevation; Fig. 3, a longitudinal section on line w 00 of Fig. 1; Figs. 4 and 5, detail plan views of the body portion of the cooler.

In the drawings, A represents the cooler, which is composed of three plates-two outer plates or covers B B and an inner plate of body portion C. These plates are secured together by means of screw-bolts a, which are screwed into cars a, formed on the sides and ends of the plates B B.

a are grooves for any suitable packing.

The inner plate C, which is made preferably thickcr than the outer plates or covers, forms the body of the cooler and is provided on one side thereof with diagonal grooves or recesses Z), extending across the same, and on its opposite side with straight grooves or recesses 0. These recesses are in depth about one-fourth the thickness of the plate C, and communication is established between them by means of holes cl, bored entirely through the said plate and situated one at each end of the recesses b and c.

e c are two short pipes secured in the plate B, which fit into holes f f in the plate C,

one pipe (the pipe 6) being for the introduc' tion of the liquid into the cooler and the other e for the discharge thereof after it has been cooled.

The operation is as follows: The liquid is forced into the cooler by the usual air or hydraulic pump to give itthe desired pressure through the pipe 6, thence along the diagonal groove I) through hole cZ, along the straight groove 0 to another hole cl, and so on alternately from one side of the plate to the other until the pipe 6 is reached, when it is discharged.

It will be seen that by forming the plate C with diagonal recesses on one side and straight recesses on the opposite side the recesses are enabled to communicate with each other through the holes d, and thus form a continuous unbroken channel around the plate C.

Having described my invention, what I claim, and desire to secure b y Letters Patent, 1s

1. In a cooling apparatus for liquids, an inside body portion or plate provided with a series of diagonal grooves extending across the same on one side and straight grooves on the opposite side, said series of grooves communicating with each other at their ends, in combination with the outer plates or covers embracing the said body portion, substantially as described.

2. In a cooling apparatus for liquids, an inner body portion one side of which is provided with diagonal grooves cut or formed in its surface and the opposite side with straight grooves, said diagonal and straight grooves having apertures at each end by which communication is established between them, in combination with the two outer plates or covers embracing the said body portion, and packing interposed between them, one of said plates carrying an inlet and an outlet pipe, said plates being held together by screws passing through screw-threaded apertures in ears or lugs projecting from the same, substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

PATRICK J. SLAVIN.

Witnesses: DENNIs H. TIERNEY, MARTIN LEAOY. 

